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Searched refs:period_ns (Results 1 – 25 of 57) sorted by relevance

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/linux/drivers/pwm/
A Dpwm-lpc18xx-sct.c97 unsigned int period_ns; member
150 val = (u64)period_ns * lpc18xx_pwm->clk_rate; in lpc18xx_pwm_config_period()
182 int duty_ns, int period_ns) in lpc18xx_pwm_config() argument
187 if (period_ns < lpc18xx_pwm->min_period_ns || in lpc18xx_pwm_config()
203 if (requested_events > 2 && lpc18xx_pwm->period_ns != period_ns && in lpc18xx_pwm_config()
204 lpc18xx_pwm->period_ns) { in lpc18xx_pwm_config()
211 if ((requested_events <= 2 && lpc18xx_pwm->period_ns != period_ns) || in lpc18xx_pwm_config()
212 !lpc18xx_pwm->period_ns) { in lpc18xx_pwm_config()
213 lpc18xx_pwm->period_ns = period_ns; in lpc18xx_pwm_config()
215 pwm_set_period(&chip->pwms[i], period_ns); in lpc18xx_pwm_config()
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A Dpwm-samsung.c65 u32 period_ns; member
318 int duty_ns, int period_ns, bool force_period) in __pwm_samsung_config() argument
329 if (period_ns > NSEC_PER_SEC) in __pwm_samsung_config()
339 if (chan->period_ns != period_ns || force_period) { in __pwm_samsung_config()
343 period = NSEC_PER_SEC / period_ns; in __pwm_samsung_config()
346 duty_ns, period_ns, period); in __pwm_samsung_config()
353 tcnt = period_ns / tin_ns; in __pwm_samsung_config()
391 chan->period_ns = period_ns; in __pwm_samsung_config()
399 int duty_ns, int period_ns) in pwm_samsung_config() argument
623 if (chan->period_ns) { in pwm_samsung_resume()
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A Dpwm-lpc32xx.c30 int duty_ns, int period_ns) in lpc32xx_pwm_config() argument
39 period_cycles = div64_u64(c * period_ns, in lpc32xx_pwm_config()
47 duty_cycles = div64_u64((unsigned long long)(period_ns - duty_ns) * 256, in lpc32xx_pwm_config()
48 period_ns); in lpc32xx_pwm_config()
A Dpwm-tegra.c96 int duty_ns, int period_ns) in tegra_pwm_config() argument
110 c = DIV_ROUND_CLOSEST_ULL(c, period_ns); in tegra_pwm_config()
117 if (period_ns < pc->min_period_ns) in tegra_pwm_config()
146 (NSEC_PER_SEC / period_ns) << PWM_DUTY_WIDTH; in tegra_pwm_config()
159 hz = DIV_ROUND_CLOSEST_ULL(100ULL * NSEC_PER_SEC, period_ns); in tegra_pwm_config()
A Dpwm-omap-dmtimer.c153 int duty_ns, int period_ns) in pwm_omap_dmtimer_config() argument
162 duty_ns, period_ns); in pwm_omap_dmtimer_config()
165 period_ns == pwm_get_period(pwm)) in pwm_omap_dmtimer_config()
198 period_cycles = pwm_omap_dmtimer_get_clock_cycles(clk_rate, period_ns); in pwm_omap_dmtimer_config()
204 period_ns, clk_rate); in pwm_omap_dmtimer_config()
217 duty_ns, period_ns, clk_rate); in pwm_omap_dmtimer_config()
A Dpwm-pxa.c61 int duty_ns, int period_ns) in pxa_pwm_config() argument
72 c = c * period_ns; in pxa_pwm_config()
84 if (duty_ns == period_ns) in pxa_pwm_config()
87 dc = (pv + 1) * duty_ns / period_ns; in pxa_pwm_config()
A Dpwm-fsl-ftm.c133 unsigned int period_ns, in fsl_pwm_calculate_period_clk() argument
142 c = c * period_ns; in fsl_pwm_calculate_period_clk()
160 unsigned int period_ns, in fsl_pwm_calculate_period() argument
167 ret = fsl_pwm_calculate_period_clk(fpc, period_ns, FSL_PWM_CLK_SYS, in fsl_pwm_calculate_period()
183 ret = fsl_pwm_calculate_period_clk(fpc, period_ns, m0, periodcfg); in fsl_pwm_calculate_period()
187 return fsl_pwm_calculate_period_clk(fpc, period_ns, m1, periodcfg); in fsl_pwm_calculate_period()
196 unsigned int period_ns = fsl_pwm_ticks_to_ns(fpc, period); in fsl_pwm_calculate_duty() local
199 do_div(duty, period_ns); in fsl_pwm_calculate_duty()
A Dpwm-lp3943.c96 int duty_ns, int period_ns) in lp3943_pwm_config() argument
121 period_ns = clamp(period_ns, LP3943_MIN_PERIOD, LP3943_MAX_PERIOD); in lp3943_pwm_config()
122 val = (u8)(period_ns / LP3943_MIN_PERIOD - 1); in lp3943_pwm_config()
128 val = (u8)(duty_ns * LP3943_MAX_DUTY / period_ns); in lp3943_pwm_config()
A Dpwm-rcar.c73 static int rcar_pwm_get_clock_division(struct rcar_pwm_chip *rp, int period_ns) in rcar_pwm_get_clock_division() argument
82 tmp = (u64)period_ns * clk_rate + div - 1; in rcar_pwm_get_clock_division()
107 int period_ns) in rcar_pwm_set_counter() argument
116 tmp = period_ns * 100ULL; in rcar_pwm_set_counter()
A Dpwm-stmpe.c100 int duty_ns, int period_ns) in stmpe_24xx_pwm_config() argument
153 pwm->hwpwm, duty_ns, period_ns); in stmpe_24xx_pwm_config()
163 } else if (duty_ns == period_ns) { in stmpe_24xx_pwm_config()
187 duty = DIV_ROUND_CLOSEST(duty, period_ns); in stmpe_24xx_pwm_config()
A Dpwm-img.c93 int duty_ns, int period_ns) in img_pwm_config() argument
101 if (period_ns < pwm_chip->min_period_ns || in img_pwm_config()
102 period_ns > pwm_chip->max_period_ns) { in img_pwm_config()
108 output_clk_hz = DIV_ROUND_UP(NSEC_PER_SEC, period_ns); in img_pwm_config()
129 duty = DIV_ROUND_UP(timebase * duty_ns, period_ns); in img_pwm_config()
A Dpwm-twl-led.c59 int duty_ns, int period_ns) in twl4030_pwmled_config() argument
61 int duty_cycle = DIV_ROUND_UP(duty_ns * TWL4030_LED_MAX, period_ns) + 1; in twl4030_pwmled_config()
141 int duty_ns, int period_ns) in twl6030_pwmled_config() argument
143 int duty_cycle = (duty_ns * TWL6030_LED_MAX) / period_ns; in twl6030_pwmled_config()
A Dpwm-mediatek.c118 int duty_ns, int period_ns) in pwm_mediatek_config() argument
139 cnt_period = DIV_ROUND_CLOSEST_ULL((u64)period_ns * 1000, resolution); in pwm_mediatek_config()
143 cnt_period = DIV_ROUND_CLOSEST_ULL((u64)period_ns * 1000, in pwm_mediatek_config()
149 dev_err(chip->dev, "period %d not supported\n", period_ns); in pwm_mediatek_config()
A Dpwm-brcmstb.c98 int duty_ns, int period_ns) in brcmstb_pwm_config() argument
110 if (duty_ns == period_ns) { in brcmstb_pwm_config()
126 tmp = period_ns * rate; in brcmstb_pwm_config()
A Dpwm-lpss.c88 int duty_ns, int period_ns) in pwm_lpss_prepare() argument
95 do_div(freq, period_ns); in pwm_lpss_prepare()
109 do_div(on_time_div, period_ns); in pwm_lpss_prepare()
A Dpwm-sti.c164 int duty_ns, int period_ns) in sti_pwm_config() argument
176 period_same = (period_ns == pwm_get_period(cur)); in sti_pwm_config()
204 ret = sti_pwm_get_prescale(pc, period_ns, &prescale); in sti_pwm_config()
227 value = cdata->max_pwm_cnt * duty_ns / period_ns; in sti_pwm_config()
239 prescale, period_ns, duty_ns, value); in sti_pwm_config()
A Dpwm-sprd.c119 int duty_ns, int period_ns) in sprd_pwm_config() argument
135 duty = duty_ns * SPRD_PWM_MOD_MAX / period_ns; in sprd_pwm_config()
137 tmp = (u64)chn->clk_rate * period_ns; in sprd_pwm_config()
A Dpwm-vt8500.c73 int duty_ns, int period_ns) in vt8500_pwm_config() argument
88 c = c * period_ns; in vt8500_pwm_config()
105 do_div(c, period_ns); in vt8500_pwm_config()
A Dpwm-hibvt.c100 int duty_cycle_ns, int period_ns) in hibvt_pwm_config() argument
107 period = div_u64(freq * period_ns, 1000); in hibvt_pwm_config()
108 duty = div_u64(period * duty_cycle_ns, period_ns); in hibvt_pwm_config()
/linux/include/linux/
A Dpwm.h282 int duty_ns, int period_ns);
341 int period_ns) in pwm_config() argument
348 if (duty_ns < 0 || period_ns < 0) in pwm_config()
352 if (state.duty_cycle == duty_ns && state.period == period_ns) in pwm_config()
356 state.period = period_ns; in pwm_config()
454 int period_ns) in pwm_config() argument
/linux/drivers/gpu/drm/i915/
A Di915_pmu.c304 add_sample(&pmu->sample[I915_SAMPLE_WAIT], period_ns); in engine_sample()
306 add_sample(&pmu->sample[I915_SAMPLE_SEMA], period_ns); in engine_sample()
325 add_sample(&pmu->sample[I915_SAMPLE_BUSY], period_ns); in engine_sample()
348 engine_sample(engine, period_ns); in engines_sample()
351 engine_sample(engine, period_ns); in engines_sample()
405 intel_gpu_freq(rps, val), period_ns / 1000); in frequency_sample()
411 period_ns / 1000); in frequency_sample()
423 unsigned int period_ns; in i915_sample() local
430 period_ns = ktime_to_ns(ktime_sub(now, pmu->timer_last)); in i915_sample()
439 engines_sample(gt, period_ns); in i915_sample()
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/linux/drivers/gpu/drm/vkms/
A Dvkms_crtc.c24 output->period_ns); in vkms_vblank_simulate()
73 out->period_ns = ktime_set(0, vblank->framedur_ns); in vkms_enable_vblank()
74 hrtimer_start(&out->vblank_hrtimer, out->period_ns, HRTIMER_MODE_REL); in vkms_enable_vblank()
113 *vblank_time -= output->period_ns; in vkms_get_vblank_timestamp()
/linux/drivers/mtd/nand/raw/
A Dpl35x-nand-controller.c101 #define TO_CYCLES(ps, period_ns) (DIV_ROUND_UP((ps) / 1000, period_ns)) argument
784 unsigned int period_ns, val; in pl35x_nfc_setup_interface() local
802 period_ns = NSEC_PER_SEC / clk_get_rate(mclk); in pl35x_nfc_setup_interface()
808 val = TO_CYCLES(sdr->tRC_min, period_ns); in pl35x_nfc_setup_interface()
816 val = TO_CYCLES(sdr->tWC_min, period_ns); in pl35x_nfc_setup_interface()
827 val = TO_CYCLES(sdr->tWP_min, period_ns); in pl35x_nfc_setup_interface()
832 val = TO_CYCLES(sdr->tCLR_min, period_ns); in pl35x_nfc_setup_interface()
837 val = TO_CYCLES(sdr->tAR_min, period_ns); in pl35x_nfc_setup_interface()
842 val = TO_CYCLES(sdr->tRR_min, period_ns); in pl35x_nfc_setup_interface()
/linux/drivers/net/ethernet/renesas/
A Dravb_ptp.c232 u64 period_ns; in ravb_ptp_perout() local
235 period_ns = req->period.sec * NSEC_PER_SEC + req->period.nsec; in ravb_ptp_perout()
243 if (period_ns > U32_MAX) { in ravb_ptp_perout()
253 perout->period = (u32)period_ns; in ravb_ptp_perout()
/linux/Documentation/driver-api/backlight/
A Dlp855x-driver.rst47 * period_ns:
80 .period_ns = 1000000,

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